On May 22, 2017, a suicide bomber killed 22 people attending an Ariana Grande concert in Manchester, England. More than 500 people sustained injuries.

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UPI Staff

On May 22, 2017, a suicide bomber killed 22 people attending an Ariana Grande concert in Manchester, England. More than 500 people sustained injuries. File Photo by Mushtaq Mohammed/UPI | License Photo

President Richard Nixon and Secretary of State Henry Kissinger confer aboard Air Force One as it heads toward Brussels, Belgium, on June 26, 1974. On May 22, 1972, Nixon became the first U.S president to visit Moscow. During the trip, Nixon and Soviet leader Leonid Brezhnev signed the Strategic Arms Limitation Treaty, limiting the number of anti-ballistic missiles each country could possess. UPI File Photo | License Photo

Sweden's Annika Sorenstam during the second round of the LPGA State Farm Classic at the Rail Golf Club on September 1, 2006. Today in 2003, Annika Sorenstam became the first woman in 59 years to compete in a PGA event but her 5-over-par 145 through two rounds of the Bank of America Colonial tournament failed to make the cut. Photo by Mark Cowan/UPI | License Photo

On this date in history:

In 1868, seven members of the Reno gang stole $98,000 from a railway car at Marshfield, Ind. It was the original "Great Train Robbery."

In 1924, the discovery of the body of Bobby Franks, 13, of Chicago led to the arrest and conviction of Nathan Leopold and Richard Loeb in a "thrill killing" that was often called "the crime of the century." They were given life sentences. Loeb was killed in prison; Leopold was paroled after serving 33 years.

In 2013, two men armed with knives and a cleaver killed British soldier Lee Rigby on a southeast London street. The attackers, who said they were avenging the killing of Muslims by Britain's military, were both sentenced to life in prison.

In 2014, Thailand's military announced it had taken control of the country and suspended the Constitution. The coup followed months of political turmoil.